what is covid--19 ?Is it a viral disease or the virus itself ? it is a test
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Coronavirus disease (COVID-19) is an infectious disease caused by a newly discovered coronavirus.
The coronavirus disease (COVID-19) is caused by a virus, NOT by bacteria.
The COVID-19 virus is an enveloped virus, with a fragile outer membrane. Generally, enveloped viruses are less stable in the environment and are more susceptible to oxidants, such as chlorine.
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